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This is an accepted version of this page This is the latest accepted revision, reviewed on 6 February 2025. Circumstances, mechanisms, and factors of tobacco consumption on human health "Health effects of smoking" and "Dangers of smoking" redirect here. For cannabis, see Effects of cannabis. For smoking crack cocaine, see Crack cocaine § Health issues. "Smoking and health" redirects here. For ...
Typical tobacco packaging warning message about the health effect of smoking tobacco The front of a 20 pack of Marlboro Red cigarettes sold in New Zealand. Brazil's third batch of graphic images (since replaced), mandatory on all cigarette packs. Philippines. Graphic tobacco packaging warning messages from 2016 to 2018.
The LD 50 of nicotine is 50 mg/kg for rats and 3 mg/kg for mice. 0.5–1.0 mg/kg can be a lethal dosage for adult humans, and 0.1 mg/kg for children. [19] [20] However the widely used human LD 50 estimate of 0.5–1.0 mg/kg was questioned in a 2013 review, in light of several documented cases of humans surviving much higher doses; the 2013 review suggests that the lower limit causing fatal ...
Among the 250 known harmful chemicals in tobacco smoke, at least 69 can cause cancer." [7] [2] [8] [9] See: Health effects of tobacco smoking and List of cigarette smoke carcinogens. Although many of these additives are used in making cigarettes, each cigarette does not contain all of these additives.
Alcohol education is the practice of disseminating information about the effects of alcohol on health, as well as society and the family unit. [72] It was introduced into the public schools by temperance organizations such as the Woman's Christian Temperance Union in the late 19th century. [ 72 ]
Third-hand smoke is residual nicotine and other chemicals left on a variety of indoor surfaces by tobacco smoke. This residue reacts with indoor pollutants to create a toxic mix. Containing cancer-causing substances, this third-hand smoke poses a potential health hazard to nonsmokers who are exposed to it, especially children.
Common adverse effects of tobacco smoking. The more common effects are in bold face. [86] Cancer prevention poster from New Zealand. Tobacco smoking is the leading cause of preventable death and a global public health concern. [87] There are 1.3 billion tobacco users in the world, as per latest data from WHO. [17]
Specialist insects on tobacco, such as the tobacco hornworm (Manduca sexta), have a number of adaptations to the detoxification and even adaptive re-purposing of nicotine. [180] Nicotine is also found at low concentrations in the nectar of tobacco plants, where it may promote outcrossing by affecting the behavior of hummingbird pollinators. [181]